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twamp: add timestamp diagnostic tool #3380

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snormore merged 2 commits into from
Mar 27, 2026
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twamp: add timestamp diagnostic tool #3380

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26af1ee
twamp: add twamp-debug diagnostic tool
snormore Mar 26, 2026
12b62e5
twamp: add changelog entry for twamp-debug tool
snormore Mar 26, 2026
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -12,6 +12,8 @@ All notable changes to this project will be documented in this file.
- Reset SIGPIPE to SIG_DFL at the start of main() in all 3 CLI binaries (doublezero, doublezero-geolocation, doublezero-admin) so the process exits silently like standard CLI tools
- SDK
- Add Go SDK for shred subscription program with read-only account deserialization (epoch state, seat assignments, pricing, settlement, validator client rewards), PDA derivation helpers, RPC fetchers, compatibility tests, and a fetch example CLI
- Tools
- Add `twamp-debug` diagnostic tool for testing kernel timestamping support on switches; sends real TWAMP probes to verify which SO_TIMESTAMPING modes (RX/TX software/hardware/sched) actually deliver timestamps, and reports RTT statistics comparing userspace vs kernel timestamp sources

## [v0.15.0](https://github.com/malbeclabs/doublezero/compare/client/v0.14.0...client/v0.15.0) - 2026-03-27

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